Synonyms for White Sturgeon (same or very similar meaning)
WordNet sense 1 (valuable source of caviar and isinglass; found in Black and Caspian seas):
beluga, hausen, Acipenser husoWordNet sense 2 (food and game fish of marine and fresh waters of northwestern coast of North America):
Pacific sturgeon, Acipenser transmontanus, Sacramento sturgeonFrom the ODE community, based on WordNetadd/edit